wow

node_modules/deep-email-validator/dist/smtp/smtp.js

@@ -0,0 +1,96 @@
+"use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.checkSMTP = void 0;
+const net_1 = __importDefault(require("net"));
+const output_1 = require("../output/output");
+const errorCodes_1 = require("./errorCodes");
+const log = (...args) => {
+    if (process.env.DEBUG === 'true') {
+        console.log(...args);
+    }
+};
+exports.checkSMTP = (sender, recipient, exchange) => __awaiter(void 0, void 0, void 0, function* () {
+    const timeout = 1000 * 10; // 10 seconds
+    return new Promise(r => {
+        let receivedData = false;
+        const socket = net_1.default.createConnection(25, exchange);
+        socket.setEncoding('ascii');
+        socket.setTimeout(timeout);
+        socket.on('error', error => {
+            log('error', error);
+            socket.emit('fail', error);
+        });
+        socket.on('close', hadError => {
+            if (!receivedData && !hadError) {
+                socket.emit('fail', 'Mail server closed connection without sending any data.');
+            }
+        });
+        socket.once('fail', msg => {
+            r(output_1.createOutput('smtp', msg));
+            if (socket.writable && !socket.destroyed) {
+                socket.write(`quit\r\n`);
+                socket.end();
+                socket.destroy();
+            }
+        });
+        socket.on('success', () => {
+            if (socket.writable && !socket.destroyed) {
+                socket.write(`quit\r\n`);
+                socket.end();
+                socket.destroy();
+            }
+            r(output_1.createOutput());
+        });
+        const commands = [
+            `helo ${exchange}\r\n`,
+            `mail from: <${sender}>\r\n`,
+            `rcpt to: <${recipient}>\r\n`,
+        ];
+        let i = 0;
+        socket.on('next', () => {
+            if (i < 3) {
+                if (socket.writable) {
+                    socket.write(commands[i++]);
+                }
+                else {
+                    socket.emit('fail', 'SMTP communication unexpectedly closed.');
+                }
+            }
+            else {
+                socket.emit('success');
+            }
+        });
+        socket.on('timeout', () => {
+            socket.emit('fail', 'Timeout');
+        });
+        socket.on('connect', () => {
+            socket.on('data', msg => {
+                receivedData = true;
+                log('data', msg);
+                if (errorCodes_1.hasCode(msg, 220) || errorCodes_1.hasCode(msg, 250)) {
+                    socket.emit('next', msg);
+                }
+                else if (errorCodes_1.hasCode(msg, 550)) {
+                    socket.emit('fail', 'Mailbox not found.');
+                }
+                else {
+                    const [code] = Object.typedKeys(errorCodes_1.ErrorCodes).filter(x => errorCodes_1.hasCode(msg, x));
+                    socket.emit('fail', errorCodes_1.ErrorCodes[code] || 'Unrecognized SMTP response.');
+                }
+            });
+        });
+    });
+});
+//# sourceMappingURL=smtp.js.map